<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>特性值</title>
	<style>
		div{/*number=1*/
			width: 100px;
			height: 100px;
		background-color: red!important;
		}

		#one{/*number=100*/
			background-color: blue;
		}
		.two{/*number=10*/
			/*background-color: pink*/
		}

		div.two{/*number=1+10=11*/
		/*	background-color: orange*/
		}
		div#one{/*number=1+100=101*/
			/*background-color: purple*/
		}
		[id]{/*number=10*/
			/*background-color: yellow*/
		}

		div[class]{/*number=1+10=11*/
			/*background-color: green*/
		}

	</style>
</head>
<body>
	<div id="one" class="two"></div>	
</body>
</html>









